Cosina Cosinon Auto 45mm F/2.8 MC
akaAuto Chinon 45mm F/2.8
akaRevuenon Auto 45mm F/2.8
Standard prime lens • Film era • Discontinued
no photo
Auto Chinon 45mm F/2.8:
Auto Revuenon 45mm F/2.8:
- Announced:
- · 1979
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- Original name:
- · COSINON AUTO MC F=2.8 f=45mm
- Class:
- · Fast full-frame standard prime lens
- System:
- · Cosina K (1978)
Abbreviations
| MC | Multi-layer anti-reflection coating is applied to the surfaces of lens elements. This anti-reflection coating increases light transmission, eliminates flare and ghosting, and maintains color consistence among all lens models. |
Specification
| Optical design: | |
| 35mm full frame | |
| 45mm | |
| F/2.8 | |
| <No data> | |
| Pentax K [45.5mm] | |
| 51.3° (35mm full frame) | |
| On Pentax K APS-C [1.53x] cameras: | |
35mm equivalent focal length: | 68.9mm (in terms of field of view) |
35mm equivalent speed: | F/4.3 (in terms of depth of field) |
Diagonal angle of view: | 34.9° |
| Diaphragm mechanism: | |
Diaphragm type: | Automatic |
Aperture control: | Aperture ring (Manual settings only) |
| 6 (six) | |
| Focusing: | |
| 0.60m | |
| <No data> | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| <No data> | |
| <No data> | |
| Accessories: | |
| Screw-type 49mm | |
| <No data> | |
| <No data> |
Source of data
- Own research.
From the editor
The following lenses share the same optical design developed by Cosina:
- COSINON AUTO MC F=2.8 f=45mm
- AUTO CHINON 1:2.8 45mm
- AUTO REVUENON 1:2.8 f=45mm
We listed only the most common lenses with this optical design, but there may be others. Most (if not all) of these were most likely produced by Cosina as an ODM (Original Design Manufacturer).
Other standard prime lenses in the Cosina K system
| ■Pentax K mount (4) | |||||||||
| Cosina Cosinon-S 50mm F/2 akaCasio 50mm F/2 akaMiranda 50mm F/2 akaPetri 50mm F/2 akaPorst Color Reflex Auto 50mm F/2 MC F akaSoligor 50mm F/2 akaVivitar Auto 50mm F/2 | A | 6 - 5 | 0.50m | ⌀49 | 1979 ● | ||||
| Cosina Cosinon-S 50mm F/1.8 akaPetri 50mm F/1.8 | A | 6 - 5 | 0.50m | ⌀49 | 1981 ● | ||||
| Cosina [Auto] Cosinon-S 50mm F/1.7 MC akaBauer Neovaron 50mm F/1.7 Multicoated akaPetri 50mm F/1.7 MC akaPorst Color Reflex Auto 50mm F/1.7 MC F | A | 6 - 5 | 0.50m | ⌀49 | 1978 ● | ||||
| Cosina [Auto] Cosinon-S 50mm F/1.4 MC akaBauer Neovaron 50mm F/1.4 Multicoated akaPetri 50mm F/1.4 MC akaPorst Color Reflex Auto 50mm F/1.4 MC G akaVivitar Auto 50mm F/1.4 VMC | A | 7 - 6 | 0.50m | ⌀49 | 1978 ● | ||||
Lenses with similar focal length
| ■Pentax K mount (34) | |||||||||
| Chinon Auto 50mm F/1.9 akaAgfa Color 50mm F/1.9 Coated akaRevuenon Auto 50mm F/1.9 | A | 5 - ? | 0.45m | ⌀49 | ● | ||||
| Chinon Auto 50mm F/1.4 [Multi-Coated] akaAgfa Color 50mm F/1.4 Multi-Coated akaRevuenon Auto 50mm F/1.4 MC | A | 7 - 6 | 0.45m | ⌀49 | 1979 ● | ||||
| Chinon Auto 50mm F/1.7 [Multi-Coated] akaAgfa Color 50mm F/1.7 Multi-Coated akaRevuenon Auto 50mm F/1.7 MC | A | ? - ? | 0.45m | ⌀49 | 1979 ● | ||||
| Cosina Voigtlander Ultron 40mm F/2 Aspherical SL II • Pancake lens | A | 6 - 5 | 0.38m | ⌀52 | 2007 ● | ||||
| Cosina Voigtlander Ultron 40mm F/2 Aspherical SL | A | 6 - 5 | 0.40m | ⌀52 | 2002 ● | ||||
| Cosina Cosinon Auto 40mm F/2.5 MC • Pancake lens akaBauer Neovaron 40mm F/2.5 Multicoated akaPorst Color Reflex Auto 40mm F/2.5 MC akaVivitar Auto 40mm F/2.5 VMC | A | 5 - 4 | 0.60m | ⌀49 | 1978 ● | ||||
| Irix 45mm F/1.4 SLR | A | 11 - 9 | 0.40m | ⌀77 | 2020 ● | ||||
| smc Pentax-M 50mm F/1.7 | A | 6 - 5 | 0.45m | ⌀49 | 1977 ● | ||||
| smc Pentax-A 50mm F/1.2 | A | 7 - 6 | 0.45m | ⌀52 | 1983 ● | ||||
| smc Pentax-A 50mm F/1.4 | A | 7 - 6 | 0.45m | ⌀49 | 1983 ● | ||||
| smc Pentax-A 50mm F/1.7 | A | 6 - 5 | 0.45m | ⌀49 | 1983 ● | ||||
| smc Pentax-A 50mm F/2 | A | 5 - 5 | 0.45m | ⌀49 | 1985 ● | ||||
| smc Pentax-M 40mm F/2.8 • Pancake lens | A | 5 - 4 | 0.60m | ⌀49 | 1976 ● | ||||
| smc Pentax-M 50mm F/1.4 | A | 7 - 6 | 0.45m | ⌀49 | 1977 ● | ||||
| smc Pentax-M 50mm F/2 | A | 5 - 5 | 0.45m | ⌀49 | 1979 ● | ||||
| smc Pentax 50mm F/1.2 | A | 7 - 6 | 0.45m | ⌀52 | 1975 ● | ||||
| smc Pentax 50mm F/1.4 | A | 7 - 6 | 0.45m | ⌀52 | 1975 ● | ||||
| Ricoh XR Rikenon 50mm F/1.4 | A | 7 - 6 | 0.45m | ⌀52 | 1977 ● | ||||
| Ricoh XR Rikenon 50mm F/1.7 [I] | A | 6 - 5 | 0.45m | ⌀52 | 1977 ● | ||||
| Ricoh XR Rikenon 50mm F/2 | A | 6 - 5 | 0.45m | ⌀52 | 1977 ● | ||||
| Ricoh Rikenon 50mm F/2 | A | 6 - 5 | 0.60m | ⌀52 | 1982 ● | ||||
| Ricoh XR Rikenon 45mm F/2.8 • Pancake lens | A | 4 - 3 | 0.60m | ⌀52 | 1994 ● | ||||
| Ricoh XR Rikenon 50mm F/2 L | A | 6 - 5 | 0.60m | ⌀52 | 1980 ● | ||||
| Ricoh XR Rikenon 50mm F/2 S | A | 6 - 5 | 0.60m | ⌀52 | 1981 ● | ||||
| Ricoh XR Rikenon 50mm F/1.7 [II] | A | 6 - 5 | 0.60m | ⌀52 | 1981 ● | ||||
| Ricoh Rikenon P 50mm F/1.4 | A | 7 - 6 | 0.45m | ⌀52 | 1985 ● | ||||
| Ricoh Rikenon P 50mm F/1.7 | A | 6 - 5 | 0.60m | ⌀52 | 1984 ● | ||||
| Ricoh Rikenon 50mm F/1.7 | A | 6 - 5 | 0.60m | ⌀52 | 1982 ● | ||||
| Ricoh Rikenon P 50mm F/2 | A | 6 - 5 | 0.60m | ⌀52 | 1984 ● | ||||
| Helios-77K-4 50mm F/1.8 [MC] akaГЕЛИОС-77К-4 50mm F/1.8 МС | A | 6 - 4 | 0.45m | ⌀52 | ● | ||||
| Volna 50mm F/1.8 MC akaВОЛНА 50mm F/1.8 МС | A | 6 - ? | 0.45m | ⌀46 | 1980 ● | ||||
| Zenitar 50mm F/2 MC | A | 6 - 4 | 0.35m | ⌀46 | 1995 ● | ||||
| Zenitar-K 50mm F/1.9 MC akaЗЕНИТАР-К 50mm F/1.9 МС | A | 6 - 4 | 0.45m | ⌀52 | 1991 ● | ||||
| Carl Zeiss Classic Planar T* 50mm F/1.4 ZE / ZF.2 / ZK / ZS | A | 7 - 6 | 0.45m | E58 | 2006 ● | ||||
| ■Interchangeable mount (1) | |||||||||
| MS Optics MS-Mode-S 50mm F/1.3 Dualsystem (200 units) | M | 5 - 4 | 1.00m | ⌀49 | 2006 ● | ||||